rounding off in python 3 code example

Example 1: how to round in python

# To round a number in Python, use 'round()'
round(21.57) # Output: 22
round(5.473, 2) # Output: 5.47

Example 2: round to the nearest integer python

int(round(x))

Example 3: how to round a number in python

round(n, ndigits) # round(1.123456789,5) --> 1.12346